Compare development without ranking people
Development indicators summarize different aspects of social and economic life.
Your task: Build a two-country comparison using a mean, a distribution measure and an institutional description. Identify a rival explanation for any apparent relationship.
Open the investigation · Read the explanation · Your saved evidence
Starting recap and vocabulary
Read a record as a claim with a creator, purpose and scope. A count, interpretation and value judgment are different kinds of evidence. Percent means per hundred; percentage points compare two percentages.
- institution
- A persistent rule or organization shaping political action
- teaching record
- An authored fictional example designed to make reasoning inspectable; not evidence that an event occurred.
Do equal mean incomes establish equal material conditions?
Build a two-country comparison using a mean, a distribution measure and an institutional description. Identify a rival explanation for any apparent relationship.
Use the supplied records to complete this task: Build a two-country comparison using a mean, a distribution measure and an institutional description. Identify a rival explanation for any apparent relationship. Explain your reasoning in a short paragraph or an annotated diagram with a text equivalent.
Make a provisional claim
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Inspect evidence and test an explanation
The investigation controls appear when your local evidence is ready.
Connect evidence and mechanism
Worked example
Both income totals are 100 and averages 20. Reed's median is 4 while Pine's is 20, revealing distribution hidden by the mean.
Check the reasoning, then transfer it
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Keep your evidence and choose a next step
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